Finding the Third Proportional to 981,679.50 and 2,140,749

Step by Step Solution

1. Step 1: Write the proportion equation
   981,679.50 : 2,140,749 = 2,140,749 : x
2. Step 2: Convert to fraction form
   981,679.50/2,140,749 = 2,140,749/x
3. Step 3: Cross multiply
   981,679.50x = 2,140,749 × 2,140,749
4. Step 4: Simplify right side
   981,679.50x = 4,582,806,281,001
5. Step 5: Solve for x
   x = 4,582,806,281,001/981,679.50
6. Step 6: Final answer
   x = 4,668,332.47